./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffb924ee3454938bf87e2a52362fa3f53467287e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:36:46,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:36:46,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:36:46,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:36:46,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:36:46,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:36:46,945 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:36:46,946 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:36:46,947 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:36:46,948 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:36:46,948 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:36:46,949 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:36:46,949 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:36:46,950 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:36:46,951 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:36:46,951 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:36:46,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:36:46,953 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:36:46,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:36:46,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:36:46,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:36:46,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:36:46,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:36:46,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:36:46,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:36:46,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:36:46,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:36:46,960 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:36:46,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:36:46,961 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:36:46,961 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:36:46,962 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:36:46,962 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:36:46,962 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:36:46,963 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:36:46,963 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:36:46,963 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:36:46,973 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:36:46,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:36:46,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:36:46,974 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:36:46,974 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:36:46,974 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:36:46,974 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:36:46,974 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:36:46,975 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:36:46,975 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:36:46,975 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:36:46,975 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:36:46,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:36:46,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:36:46,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:36:46,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:36:46,976 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:36:46,976 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:36:46,976 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:36:46,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:36:46,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:36:46,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:36:46,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:36:46,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:36:46,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:36:46,977 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:36:46,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:36:46,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:36:46,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffb924ee3454938bf87e2a52362fa3f53467287e [2018-11-10 07:36:47,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:36:47,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:36:47,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:36:47,014 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:36:47,014 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:36:47,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-10 07:36:47,057 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/data/3a4539ded/5b344a5fed21426bacbc2110460c8061/FLAG388c02913 [2018-11-10 07:36:47,478 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:36:47,479 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-10 07:36:47,485 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/data/3a4539ded/5b344a5fed21426bacbc2110460c8061/FLAG388c02913 [2018-11-10 07:36:47,496 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/data/3a4539ded/5b344a5fed21426bacbc2110460c8061 [2018-11-10 07:36:47,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:36:47,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:36:47,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:36:47,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:36:47,501 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:36:47,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47, skipping insertion in model container [2018-11-10 07:36:47,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:36:47,538 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:36:47,706 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:36:47,714 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:36:47,763 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:36:47,783 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:36:47,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47 WrapperNode [2018-11-10 07:36:47,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:36:47,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:36:47,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:36:47,785 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:36:47,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:36:47,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:36:47,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:36:47,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:36:47,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... [2018-11-10 07:36:47,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:36:47,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:36:47,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:36:47,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:36:47,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:36:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:36:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 07:36:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 07:36:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:36:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:36:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:36:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:36:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:36:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:36:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:36:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:36:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 07:36:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 07:36:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:36:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:36:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:36:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:36:48,863 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:36:48,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:36:48 BoogieIcfgContainer [2018-11-10 07:36:48,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:36:48,864 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:36:48,864 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:36:48,871 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:36:48,871 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:36:48" (1/1) ... [2018-11-10 07:36:48,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:36:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-11-10 07:36:48,905 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-11-10 07:36:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 07:36:48,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2018-11-10 07:36:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2018-11-10 07:36:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 07:36:49,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2018-11-10 07:36:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2018-11-10 07:36:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 07:36:49,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2018-11-10 07:36:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-11-10 07:36:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 07:36:49,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:49,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:49,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 84 states and 122 transitions. [2018-11-10 07:36:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2018-11-10 07:36:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 07:36:49,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:50,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 100 states and 155 transitions. [2018-11-10 07:36:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2018-11-10 07:36:50,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 07:36:50,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:50,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 109 states and 174 transitions. [2018-11-10 07:36:50,655 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2018-11-10 07:36:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 07:36:50,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 176 transitions. [2018-11-10 07:36:50,776 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 176 transitions. [2018-11-10 07:36:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 07:36:50,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 113 states and 178 transitions. [2018-11-10 07:36:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2018-11-10 07:36:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 07:36:50,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:50,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:50,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 119 states and 187 transitions. [2018-11-10 07:36:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2018-11-10 07:36:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 07:36:50,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 120 states and 188 transitions. [2018-11-10 07:36:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2018-11-10 07:36:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 07:36:50,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 125 states and 198 transitions. [2018-11-10 07:36:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 198 transitions. [2018-11-10 07:36:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 07:36:51,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 126 states and 200 transitions. [2018-11-10 07:36:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2018-11-10 07:36:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 07:36:51,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 07:36:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 207 transitions. [2018-11-10 07:36:51,894 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 207 transitions. [2018-11-10 07:36:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 07:36:51,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 137 states and 219 transitions. [2018-11-10 07:36:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 219 transitions. [2018-11-10 07:36:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 07:36:52,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 144 states and 235 transitions. [2018-11-10 07:36:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-11-10 07:36:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 07:36:52,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:52,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 142 states and 231 transitions. [2018-11-10 07:36:52,618 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2018-11-10 07:36:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 07:36:52,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 07:36:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 146 states and 235 transitions. [2018-11-10 07:36:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 235 transitions. [2018-11-10 07:36:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 07:36:52,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 148 states and 240 transitions. [2018-11-10 07:36:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2018-11-10 07:36:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:36:53,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:36:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 161 states and 270 transitions. [2018-11-10 07:36:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 270 transitions. [2018-11-10 07:36:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 07:36:53,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:36:54,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:54,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 175 states and 297 transitions. [2018-11-10 07:36:54,932 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 297 transitions. [2018-11-10 07:36:54,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 07:36:54,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:36:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 176 states and 298 transitions. [2018-11-10 07:36:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2018-11-10 07:36:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 07:36:54,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:55,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 181 states and 303 transitions. [2018-11-10 07:36:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 303 transitions. [2018-11-10 07:36:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 07:36:55,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 07:36:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 182 states and 305 transitions. [2018-11-10 07:36:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 305 transitions. [2018-11-10 07:36:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 07:36:55,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 07:36:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 185 states and 308 transitions. [2018-11-10 07:36:55,598 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 308 transitions. [2018-11-10 07:36:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 07:36:55,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 07:36:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 189 states and 316 transitions. [2018-11-10 07:36:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 316 transitions. [2018-11-10 07:36:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 07:36:55,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 07:36:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 187 states and 312 transitions. [2018-11-10 07:36:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 312 transitions. [2018-11-10 07:36:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 07:36:55,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:36:56,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 197 states and 325 transitions. [2018-11-10 07:36:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 325 transitions. [2018-11-10 07:36:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 07:36:56,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 07:36:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:56,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 198 states and 326 transitions. [2018-11-10 07:36:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 326 transitions. [2018-11-10 07:36:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 07:36:56,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:36:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 144 states and 209 transitions. [2018-11-10 07:36:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 209 transitions. [2018-11-10 07:36:57,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 07:36:57,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 07:36:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 146 states and 212 transitions. [2018-11-10 07:36:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2018-11-10 07:36:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 07:36:57,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 07:36:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 147 states and 213 transitions. [2018-11-10 07:36:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2018-11-10 07:36:57,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 07:36:57,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 07:36:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:57,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 59 states and 71 transitions. [2018-11-10 07:36:57,428 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-11-10 07:36:57,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:36:57,429 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-11-10 07:36:57,434 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 07:36:57,614 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,616 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,616 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,616 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,616 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,616 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 07:36:57,619 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,619 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 07:36:57,619 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,620 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,620 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 07:36:57,620 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,620 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,620 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,621 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:57,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:36:57 ImpRootNode [2018-11-10 07:36:57,621 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:36:57,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:36:57,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:36:57,621 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:36:57,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:36:48" (3/4) ... [2018-11-10 07:36:57,625 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:36:57,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 07:36:57,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 07:36:57,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 07:36:57,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 07:36:57,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 07:36:57,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:36:57,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 07:36:57,634 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-10 07:36:57,635 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 07:36:57,635 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 07:36:57,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 [2018-11-10 07:36:57,685 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_433873e5-9912-44cd-a70e-c8c807d52621/bin-2019/ukojak/witness.graphml [2018-11-10 07:36:57,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:36:57,685 INFO L168 Benchmark]: Toolchain (without parser) took 10187.10 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 380.6 MB). Free memory was 959.1 MB in the beginning and 900.8 MB in the end (delta: 58.3 MB). Peak memory consumption was 438.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:57,687 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:36:57,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.05 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:57,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 935.0 MB in the beginning and 1.2 GB in the end (delta: -228.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:57,688 INFO L168 Benchmark]: Boogie Preprocessor took 18.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:57,688 INFO L168 Benchmark]: RCFGBuilder took 988.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:57,688 INFO L168 Benchmark]: CodeCheck took 8757.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 211.8 MB). Free memory was 1.1 GB in the beginning and 900.8 MB in the end (delta: 160.0 MB). Peak memory consumption was 371.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:57,689 INFO L168 Benchmark]: Witness Printer took 63.54 ms. Allocated memory is still 1.4 GB. Free memory is still 900.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:36:57,690 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 115 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1095285852 SDtfs, -1465500868 SDslu, 612405244 SDs, 0 SdLazy, -863717508 SolverSat, 1130572388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13528 GetRequests, 13188 SyntacticMatches, 106 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24078 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1408 NumberOfCodeBlocks, 1408 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1376 ConstructedInterpolants, 0 QuantifiedInterpolants, 130419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 23 PerfectInterpolantSequences, 498/539 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.05 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 935.0 MB in the beginning and 1.2 GB in the end (delta: -228.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 988.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. * CodeCheck took 8757.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 211.8 MB). Free memory was 1.1 GB in the beginning and 900.8 MB in the end (delta: 160.0 MB). Peak memory consumption was 371.8 MB. Max. memory is 11.5 GB. * Witness Printer took 63.54 ms. Allocated memory is still 1.4 GB. Free memory is still 900.8 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...